The individual level tracking CSV contains very detailed information—it may contain millions of rows of records and be quite large in file size. This report displays one unique open on each row for the email(s) associated with the tracking code. Here's a quick guide to what you'll find in this report:

created_at

Type: timestamp

A date/time stamp for when this individual open was recorded. All timestamps used in Email Analytics reports are in GMT (0:00).

email_address

Type: varchar (400)

The unique information provided in your merge tag. It's usually an email address, but you can make it anything you like.

The specific details of the client the email was opened in. Sometimes this is a version number, such as "Outlook 2007", it can also be a specific model number of a device, "Samsung Galaxy S9", a web browser used to open a web-based email client, "Using Internet Explorer" or even a range of versions, such as "Outlook 2000-2003".

rendering_engine

Type: varchar (255)

The rendering engine used to display the email. This is a superset of the email client. For example, many version of Outlook, as well as Lotus Notes, use the Internet Explorer engine to render emails. Other versions of Outlook use the Word engine.

The city the subscriber was in when they opened your email. If the reader is using their network's mobile data service (such as 3G), the location may not be as accurate as when using a standard internet connection. More information on geolocation tracking.

region

Type: varchar (255)

The region the subscriber was in when they opened your email. In the USA, this will typically be a state. In other countries it may be a county or province. If the reader is using their network's mobile data service (such as 3G), the location may not be as accurate as when using a standard internet connection. More information on geolocation tracking.

country

Type: varchar (255)

The country the subscriber was in when they opened your email. If the reader is using their network's mobile data service (such as 3G), the location may not be as accurate as when using a standard internet connection. More information on geolocation tracking.